CA288079A - Signal lumineux de chemin de fer - Google Patents

Signal lumineux de chemin de fer

Info

Publication number
CA288079A
CA288079A CA288079A CA288079DA CA288079A CA 288079 A CA288079 A CA 288079A CA 288079 A CA288079 A CA 288079A CA 288079D A CA288079D A CA 288079DA CA 288079 A CA288079 A CA 288079A
Authority
CA
Canada
Prior art keywords
railroads
light signal
light
signal
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
CA288079A
Other languages
English (en)
Inventor
M. Day Salisbury
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SPX Technologies Inc
Original Assignee
General Railway Signal Co
Publication date
Application granted granted Critical
Publication of CA288079A publication Critical patent/CA288079A/fr
Expired legal-status Critical Current

Links

CA288079A Signal lumineux de chemin de fer Expired CA288079A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA288079T

Publications (1)

Publication Number Publication Date
CA288079A true CA288079A (fr) 1929-03-19

Family

ID=35224891

Family Applications (1)

Application Number Title Priority Date Filing Date
CA288079A Expired CA288079A (fr) Signal lumineux de chemin de fer

Country Status (1)

Country Link
CA (1) CA288079A (fr)

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